Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 4 1s adjacent, and a path of 1s from peak vertex to anywhere on the bottom side.
A163884
Number of nXnXn triangular binary arrays with all 1s connected, no 1 having more than 4 1s adjacent, and a path of 1s from peak vertex to anywhere on the bottom side.
Terms
- a(0) =1a(1) =3a(2) =17a(3) =158a(4) =2798a(5) =95400a(6) =6205642a(7) =775567476a(8) =186046719370
External references
- oeis: A163884